/**
* Runs the activity as defined in @see ComponentRunActive. The default behaviour is to serve
* non-functional requests in FIFO order, until the component is started. Then the functional
* activity (as defined in @see InitActive, @see RunActive and @see EndActive) begins.
*
* <p>When redefining the @see RunActive#runActivity(Body) method, the @see Body#isActive()
* returns true as long as the lifecycle of the component is @see LifeCycleController#STARTED.
* When the lifecycle of the component is @see LifeCycleController#STOPPED, @see Body#isActive()
* returns false.
*/
@Override
public void runActivity(Body body) {
if ((componentRunActive != null) && (componentRunActive != this)) {
componentRunActive.runActivity(body);
} else {
// this is the default activity of the active object
// the activity of the component has been initialized and started, now
// what we have to do is to manage the life cycle, i.e. start and stop the
// activity
// that can be redefined on the reified object.
try {
Service componentService = new Service(body);
NFRequestFilterImpl nfRequestFilter = new NFRequestFilterImpl();
MembraneControllerRequestFilter memRequestFilter = new MembraneControllerRequestFilter();
while (body.isActive()) {
ComponentBody componentBody = (ComponentBody) body;
/*
* While the membrane is stopped, serve calls only on the Membrane Controller
*/
while (Utils.getPAMembraneController(componentBody.getPAComponentImpl())
.getMembraneState()
.equals(PAMembraneController.MEMBRANE_STOPPED)) {
componentService.blockingServeOldest(memRequestFilter);
}
while (LifeCycleController.STOPPED.equals(
GCM.getGCMLifeCycleController(componentBody.getPAComponentImpl()).getFcState())) {
PriorityController pc = GCM.getPriorityController(componentBody.getPAComponentImpl());
NF3RequestFilter nf3RequestFilter = new NF3RequestFilter(pc);
if (componentService.getOldest(nf3RequestFilter) != null) {
// NF3 bypass all other request
// System.err.println(
// "STOPPED ComponentActivity : NF3");
componentService.blockingServeOldest(nf3RequestFilter);
} else {
componentService.blockingServeOldest(nfRequestFilter);
}
if (!body.isActive()) {
// in case of a migration
break;
}
}
if (!body.isActive()) {
// in case of a migration
break;
}
// 3.1. init object Activity
// life cycle started : starting activity of the object
if (functionalInitActive != null) {
functionalInitActive.initActivity(body);
// functionalInitActive = null; // we won't do it again
}
((ComponentBody) body).startingFunctionalActivity();
// 3.2 while object activity
// componentServe (includes filter on priority)
functionalRunActive.runActivity(body);
((ComponentBody) body).finishedFunctionalActivity();
if (functionalEndActive != null) {
functionalEndActive.endActivity(body);
}
/*
* While the membrane is started, serve non-functional calls with priority (the
* same as for Lifecycle Stopped)
*/
while (Utils.getPAMembraneController(componentBody.getPAComponentImpl())
.getMembraneState()
.equals(PAMembraneController.MEMBRANE_STARTED)) {
PriorityController pc = GCM.getPriorityController(componentBody.getPAComponentImpl());
NF3RequestFilter nf3RequestFilter = new NF3RequestFilter(pc);
if (componentService.getOldest(nf3RequestFilter) != null) {
// NF3 bypass all other request
// System.err.println(
// "STOPPED ComponentActivity : NF3");
componentService.blockingServeOldest(nf3RequestFilter);
} else {
componentService.blockingServeOldest(nfRequestFilter);
}
if (!body.isActive()) { // Don't know if this is OK
// in case of a migration
break;
}
}
}
} catch (NoSuchInterfaceException e) {
logger.error(
"could not retreive an interface, probably the life cycle controller of this component; terminating the component. Error message is : "
+ e.getMessage());
}
}
}
